Implementation of Implementation of ISDBISDB--TT

2288ｔｈｔｈ FebruaryFebruary, 200, 20077ManilaManila, Philippines, Philippines

DiBEGDiBEG JAPANJAPANYoshikiYoshiki MARUYAMAMARUYAMA

TVTV AsahiAsahi

Presentation 11Presentation 11

ISDBISDB--TT,, the Future of Digital Television in the Philippinesthe Future of Digital Television in the Philippines

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ContentsContentsService and BusinessService and BusinessExampleExample of Implementationof Implementation

Tokyo broadcasting systemTokyo broadcasting systemNippon television network corporationNippon television network corporation

InIn the case of TV Asahithe case of TV Asahi

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Service and BusinessService and Business

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Service and Business solutionService and Business solution

・Number of Channel ・Video Quality・Communication・Target・Audience Action・Where

ServiceService

BusinessBusiness

・Source of Revenue・Advertising Target・Media・Potential

Analog BroadcastingAnalog Broadcasting

Single Channel Standard (SDTV)CastingViewerPassiveHome

Sponsor (Commercial station)

MassBroadcastLow (Stability)

Digital BroadcastingDigital Broadcasting

+ Subscriber, Industry+ Segment, Personal+ InteractiveHigh

Multi Channel / HD+ High quality (HDTV)InteractiveCustomerActiveAnywhere

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BusinessBusinessPositioningPositioning

CoreCoreCompetenceCompetence

Source of Source of RevenueRevenue

ExistingExistingServiceService TV

Broadcasting

DataBroadcasting

One-SegService

ContentsDistribution

Core business- HDTV- Multi Channel

New Business- Additional

value for TV- New source

of revenue

Capability of contents

organization and production

Organization Combined withTV program

-Confidence for TV Commerce

Capability ofCapability ofcontents production

-Contents for multi-use

InternetInternet

NewNewServiceService

Pay TV servicePay TV service

Interactive service -TV Commerce

New advertisingNew advertising-- Electric leafletElectric leaflet-- Marketing researchMarketing research

TraditionalTraditionaladvertisingadvertising

Business and Source of revenueBusiness and Source of revenue

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ImplementationImplementation

Broadcast premisesBroadcast premises

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Tokyo Broadcasting SystemTokyo Broadcasting System

Architecture conceptArchitecture conceptTwoTwo--step approachstep approach

First stepFirst stepfrom end of 2003from end of 2003

““Add onAdd on”” systemsystemSecond stepSecond stepfrom end of 2004from end of 2004Full digitalFull digital

ExampleExample of implementation(1)of implementation(1)

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““Add onAdd on”” systemsystem

““Add onAdd on”” systemsystemNew Digital HD MasterNew Digital HD Master

U/CU/CENCENC MM

UUXX

ENCENC MMUUXX

Digital programDigital program

Local areaLocal area

Analogue program Analogue program

Local areaLocal area

Digital networkDigital network

Analogue networkAnalogue network

SI/EPGSI/EPG

SI/EPGSI/EPG

Data programData program

EPG systemEPG systemSI/EPGSI/EPG

DataDataProgram Program systemsystem

NetworkNetworkOsaka Osaka &&NagoyaNagoya

Current Current AnalogAnalogMaster Master

Data programData program

In the case of TIn the case of Tokyo broadcasting systemokyo broadcasting system

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““Add onAdd on”” systemsystem

““Add onAdd on”” systemsystem

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AppearanceAppearanceDigital programDigital program

Local NetworkLocal NetworkAnalogue programAnalogue program

Local NetworkLocal Network

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Nippon television network corporationNippon television network corporation

Architecture conceptArchitecture conceptFull package approachFull package approach

Integrated systemIntegrated system

Production facilities/Storage Production facilities/Storage media/Broadcasting systemmedia/Broadcasting system

Flexible systemFlexible system

Long term life/Expansion requestLong term life/Expansion request

ScreeningScreening

Trend technologyTrend technology

Example of implementation(2)Example of implementation(2)

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LayoutLayoutLayout

S1S2

S3 S4

Media CenterCircuit center

News

MY

SV

SKY

CV center

Library 0 studio

Lower Floor

Higher FloorHigher Floor

for Office

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Flow of HD & SD SignalFlow of HD Flow of HD & & SD SignalSD Signal

Con

verterC

onverter

Media Center

HDProg.Dist.Sys

HDProg.Dist.Sys

TerrestrialMaster Cont.

analogue& digital

TerrestrialMaster Cont.

analogue& digital

BS/CSDeliver

BS/CSDeliver

Other media Deliver

Other media Deliver

Studio

General-studio

News- studio

Other studio

SD

Domestic &Internationaltransmission

Domestic &Internationaltransmission

Live relay linkFPU/SNG

transmission for Sports events, News

•In-house facilities•CG systems•weather center

•In-house facilities•CG systems•weather center

Koji-machi AnnexG studio/K studio

Koji-machi AnnexG studio/K studio

NNN NewsSub

SDProg.Distsys

SDProg.Distsys SD

HD

HD

HD

Con

verterC

onverter

Audio signal is multiplexed with

video signal.

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Media center conceptMedia center conceptMedia center concept

Media CenterMedia Center

CM BankCM Bank Program Program

ServerServer Studio Studio ContentsContents

Other Other ContentsContentsNewsNews

BS DigitalBS Digital

/CS Digital/CS Digital

Terrestrial Digital Terrestrial Digital BroadcastingBroadcasting

Terrestrial Digital Terrestrial Digital broabroaddcastingcasting Network Network

/Overseas/Overseas

CATVCATV

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Simultaneous BroadcastingSimultaneousSimultaneous BroadcastingBroadcasting

Network Network

Live relaylink

Live relaylink

Sub outSub out

StudioStudio

CGDSSCG

DSS

Ｈ

Ｄ

Ｈ

Ｄ

SubSWSubSubSWSW

MediaCenterMediaCenter

AnalogueProgram

AnalogueProgram

Digital programDigital

program

Databroadcasting

Databroadcasting

ＨＤＨＤＨＤ

ＨＤ

ＳＤ

ＳＤ

Side CutLetter box

In the case of Live programIn the case of Live program

SD con

v

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Simultaneous BroadcastingSimultaneousSimultaneous BroadcastingBroadcastingIn the case of VTR programIn the case of VTR program

SD contentsaspect ratio 4:3

D2 VTRDigital βCAM

SD contentsaspect ratio 4:3

D2 VTRDigital βCAM

HD contentsaspect ratio 16:9

HDCAMHDCAM SR

HD contentsaspect ratio 16:9

HDCAMHDCAM SR

Media Center Media Center

Media Center Media Center

DigitalProgramDigital

Program

AnalogueProgram

AnalogueProgram

DigitalHD

Program

DigitalHD

Program

AnalogueProgram

AnalogueProgram

Side cutLetter box

UP

conv.

UP

conv.

Dow

n con

v.D

own

conv.

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In the case ofIn the case ofTV AsahiTV Asahi

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Architecture conceptArchitecture concept

Full package approachFull package approach

Full HD & Full digital Full HD & Full digital systemsystem

Contents for multiContents for multi--useuseMigration from VTR base to Migration from VTR base to

Server baseServer base

Migration planMigration planMigration plan

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Move to the new siteMove to the new sitetv asahitv asahi’’s Head Quarter moved to new site s Head Quarter moved to new site ““Roppongi Roppongi hillshills”” from Ark Hills premise on Mar.2003 to secure from Ark Hills premise on Mar.2003 to secure space to install new digital facilities in addition to the space to install new digital facilities in addition to the analogue facilities and to commence Digital analogue facilities and to commence Digital broadcasting on Dec. 1broadcasting on Dec. 1stst, 2003 ., 2003 .

Ark HillsRoppongi Hills

Mar31Mar31stst.2003.2003

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Construction of the new buildingConstruction of the new building

Building OutlineBuilding Outline

Construction period: Aug.1Construction period: Aug.1stst 20002000––Mar.31Mar.31stst20032003

Building Area: 9,469.74mBuilding Area: 9,469.74m22

Number of Stories: 8 stories and 3stories below ground.Number of Stories: 8 stories and 3stories below ground.

Total Floor Area: 73,700.43mTotal Floor Area: 73,700.43m22

Power Supply: 66kV Loop SubstationPower Supply: 66kV Loop Substation

Private Power Generator: Gas Turbine PG. 3,500kVA 6.6kVx2Private Power Generator: Gas Turbine PG. 3,500kVA 6.6kVx2

UPS: UPS: 1000KVA1000KVAｘｘ22 Redundant operationRedundant operation

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NNew buildingew building

Studio 3 Studio 4

Studio 1 Studio 2

tvtv asahiasahi has installed full digital broadcasting has installed full digital broadcasting systems for Analogue & Digital terrestrial systems for Analogue & Digital terrestrial television broadcasting at new building.television broadcasting at new building.

Master Master

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NNew buildingew building

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1.1.Full Full HDHD--SDI & Full digital systemSDI & Full digital system2.2.System total phase managementSystem total phase management3.3.Distributed mediumDistributed medium--scale matrixscale matrix4.4.One sourceOne source--multi use multi use

Technical DTechnical Designesign conceptconcept

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1.1. Digital HDDigital HDHDHD--SDI (1080i) BTA SSDI (1080i) BTA S--004B (SMPTE004B (SMPTE--292M)292M)Component serial digitalComponent serial digital1080i/59.94Hz1080i/59.94Hz

2. Digital SD2. Digital SDSMPTESMPTE--259M (270Mbps)259M (270Mbps)Component serial digital Component serial digital

3.Embeded audio3.Embeded audioSMPTESMPTE--299M299M8ch:equivalent of AES/EBU 4pair/Fs48kHz/24bit8ch:equivalent of AES/EBU 4pair/Fs48kHz/24bit

Digital signal interfaceDigital signal interface

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Master system Master system

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Requirements of Master SystemRequirements of Master SystemMulti format solutionMulti format solution

raterate--free matrix 1080i/720p/480p/480ifree matrix 1080i/720p/480p/480i

Multi channel solutionMulti channel solutionup to a ceiling of three programsup to a ceiling of three programs

High reliabilityHigh reliabilitythree redundant systemsthree redundant systemscurrent/backup/test or maintenancecurrent/backup/test or maintenance

High flexibilityHigh flexibilityEasy expansion and renovationEasy expansion and renovation

Effective use of serversEffective use of serversCM server/program server/CG serverCM server/program server/CG server

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SDTV3MPEG2 MP@ML

SDTV2MPEG2 MP@ML

Required applicationsRequired applications

HDTV HDTV MPEG2 MP@HLMPEG2 MP@HL

Supplemental

broadcast

SDTV1 MPEG2 MP@ML

Supplemental

broadcast

One-Seg

service

Supplemental

broadcast

Supplemental

broadcast

Segments: 12 Segments: 1

1 segment service for mobile phone1 segment service for mobile phone

8:00

9:00

10:00

Tim

e H.264

BP@L1.2

Supplemental broadcast

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Conceptual diagram of MasterConceptual diagram of MasterCarry-in Guideline

VTR format:D2/HDCAM/HDCAM-SR/digitalβcam/HD-D5 are acceptable.

CM Srever:Sony MAV-2000HDx1 72HSDx1 90HM-Raid 6

Program Server:Pinnacle systemsMSS900HD 120H or SD 300HRaid 3

VAF system:Toshiba VIDEOSFlush memoryStill picture 3600 frame.tif formatMotion 30minAudio 8H.wav formatAudio format:MIC/CD/DAT/MO/6mm

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Conceptual diagram Conceptual diagram EDPS (management of business & broadcasting data processing system) manages program and CM material data.

LAN

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Conceptual diagram Conceptual diagram Master systemMaster system

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Three redundant system Three redundant system Necessity of test environmentNecessity of test environment

Seamless system changer

Back up use

Current use

Test bed

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Encoder , MUXEncoder , MUX-- HD encoder (MPEG2 HD encoder (MPEG2 ：： MP@HL)MP@HL)-- SD encoder (MPEG2 SD encoder (MPEG2 ：： MP@ML)MP@ML)

-- 11--SEG encoder (H.264SEG encoder (H.264：：BP@L1.2)BP@L1.2)-- MUX MUX compliant withcompliant with ARIB STDARIB STD--B31B31

Contents source・・・・・・・・・・

・・・・

・・・・・

・

Transmitter

Scrambler

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Aspect ratio converter 1Aspect ratio converter 1

no designation designation

16：9No

operationD/C

letter box

4：3 no request

4：3U/C

side panel

16：9U/C

vertical clearance

HD

SD

Analog

Output formatInput format

Format Aspect ratio Sample pictureHD

1080i

No operation

No operation

No operation

D/Cside cut

no request

no request

D/Cside cut

Example of aspect convertingExample of aspect converting

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Test environment is essential factorTest environment is essential factorNecessity of redundant system and test environmentNecessity of redundant system and test environmentIn the digital broadcasting age, test environment is essential In the digital broadcasting age, test environment is essential factor . factor .

Because in contrast with analog signal performance , in TS signBecause in contrast with analog signal performance , in TS signal al performance, it is quite difficult to determine the reason of performance, it is quite difficult to determine the reason of sudden failure. sudden failure.

Therefore redundant system is essential, in the case of sudden Therefore redundant system is essential, in the case of sudden failure, system change from current to back up is single correctfailure, system change from current to back up is single correctanswer.answer.

Furthermore, system 3 is utilized as test bed for verification oFurthermore, system 3 is utilized as test bed for verification of f event ignition time. event ignition time.

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TS monitoring and recording systemTS monitoring and recording system

Etherne

tMTM400

TS monitor

HDD-Raid for 3days full TS recording

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SI/EPG systemSI/EPG system

ES : Engineering Service

SDTT : Software Download Trigger Table

SI: Service Information SI: Service Information Various information designed to improve the convenience of program selection, specified by the ARIB standard． BIT, SDT, EIT, CDT and SDTT

are generated and sent.

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STLSTL

TV AsahiTV Asahi Tokyo TowerTokyo Tower

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MicrowaveMicrowaveFor transmitting the television program from studio to For transmitting the television program from studio to transmission site, a transport stream studiotransmission site, a transport stream studio--toto--transmitter link (TStransmitter link (TS--STL) is primary used.STL) is primary used.TS method is 64QAM modulated by ISDBTS method is 64QAM modulated by ISDB--T format T format broadcasting TS signal.broadcasting TS signal.This method gains the performance of less signal This method gains the performance of less signal degradation. degradation.

below 40.2MbpsTransmission rate64QAMModulation method

below 7.6MHzOccupied bandwidthwithin ±20ppmFrequency deviation0.5W/1W/2WTransmitter power

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Optical cableOptical cableSTL via optical cableSTL via optical cableOptical transmitter is available to transmit OFDM signal from Optical transmitter is available to transmit OFDM signal from studio to transmitter site via optical cable. studio to transmitter site via optical cable.

•10-200MHz Bandwidth.•QAM, PSK or OFDM signal transmission is available.•Long haul transmission - Optical loss budget is 25dB.•Fully manageable through Simple Network Management Protocol (SNMP).•Having console port for setup and monitoring parameters.•Web-GUI inside- Setup and monitoring parameters from usual Web-browser.

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Requirement of SFN relay stationRequirement of SFN relay station••To implement SFN relay station, following requirement must be To implement SFN relay station, following requirement must be met in order to establish synchronism between stationmet in order to establish synchronism between station--toto--station.station.

••IFFT sample frequency should be synchronized with the studio IFFT sample frequency should be synchronized with the studio and the broadcasting station ,or among the broadcasting and the broadcasting station ,or among the broadcasting stations.stations.

••Synchronized methods are as follows;Synchronized methods are as follows;

1. Slave synchronization1. Slave synchronization

The clock of modulator in each transmitter is synchronized The clock of modulator in each transmitter is synchronized to the clock of MUX in studio.to the clock of MUX in studio.

2. Reference synchronization2. Reference synchronization

This method synchronizes the studio and all the broadcasting This method synchronizes the studio and all the broadcasting stations by GPS other than the terrestrial digital broadcast stations by GPS other than the terrestrial digital broadcast wave.wave.

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Synchronized methodsSynchronized methods

OFDMMOD ＴＸDelay

Re MUX

Rb-OSC10MHz

(Master)

GPS

Broadcasting premises

CLK STL

TS

CLK

Rb-OSC10MHz

Transmitting premises

Slave synchronization

OFDMMOD ＴＸSynchronizer

TS

Rb-OSC10MHz

Transmitting premises

Reference synchronization

ATM NetworkOptical cable

GPS

1 sec pulse

TS

Signal format: 204 byte broadcasting TS format

Microwave

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TransmissionTransmission

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DigitalDigital ttransmiransmissionssion

Optic fiber line x2

backup STL

Micro wave

Transmitters and antennas for digital Transmitters and antennas for digital terrestrial television broadcasting installed at terrestrial television broadcasting installed at Tokyo Tower in 2003.Tokyo Tower in 2003.

STL

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DigitalDigital ttransmitter systemransmitter system

64QAM MOD

Sync. & Delay

SW. &

DIST.

OFDM MOD

Fiber TERM.

5 kW TX.

SW. &

DIST.

5 kW TX.

5 kW TX.

EXC

HG

/CO

MB

INER

OFDM MOD

64QAM MOD

Sync. & Delay

Fiber TERM.

(5kW 2/3 system digital Transmitter)

ANT. COMBINER

Other Broadcasterer’s transmitter

Example of Transmitter schematic diagram in Tokyo TowerExample of Transmitter schematic diagram in Tokyo Tower

＃１＃１

＃＃22

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Three 5kw transmitters for redundant Three 5kw transmitters for redundant operation. operation.

Output power is 10kWOutput power is 10kW..

Digital Transmitter systemDigital Transmitter system

TOSHIBATOSHIBA NECNEC

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AntennasAntennasA number of analogue TV A number of analogue TV antennas were already antennas were already mounted on the ideal mounted on the ideal zone of Tokyo Tower .zone of Tokyo Tower .

AnalogAnalog AntennaAntennaNHKNHK

TV AsahiTV AsahiFuji TVFuji TV

TBSTBSNTVNTV

TV TokyoTV Tokyo

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AntennasAntennasVacancy zone is around 250mH of Tokyo tower, Vacancy zone is around 250mH of Tokyo tower,

There are no appropriate space except there. Digital There are no appropriate space except there. Digital antennas were designed , compact size, 6 meters in antennas were designed , compact size, 6 meters in width and 12 meters in height.width and 12 meters in height.

Digital TV Digital TV AntennasAntennas

Special Special observation deckobservation deck

VVacancy zoneacancy zone

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AntennasAntennas

0゜30゜

60゜

90

120゜

180

150゜210゜

240゜

270゜

300゜

330゜

3 dB

6 dB

10 dB

15 dB

20 dB

A beam pattern synthesis technology A beam pattern synthesis technology realized an omni directional radiation realized an omni directional radiation pattern in compact size.pattern in compact size.

plan viewplan view

Section Section viewview

Radiation patternRadiation pattern

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MicroMicro--STLSTL

Airwave relayAirwave relayStudioStudio Main Main transmitter transmitter

stationstation

Relay stationRelay station

Same channelSame channel

SFNSFN

Fixed receptionFixed reception

Mobile & Portable Mobile & Portable receptionreception

TTransmission network chainransmission network chain

Relay stationRelay station

MicroMicro--STLSTL

To cover the service area all over the country, To cover the service area all over the country, Broadcasters have to construct Broadcasters have to construct manymany relay stations.relay stations.

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Relay stationRelay station

ReceivingReceivingAntennaAntenna

TransmittingTransmittingAntennaAntenna

Airwave relay stationAirwave relay station

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Thank you Thank you for your attention !for your attention !

ENDEND

Digital Broadcasting Expert Group Digital Broadcasting Expert Group http://http://www.dibeg.orgwww.dibeg.orgmail: mail: info@dibeg.orginfo@dibeg.org

ISDBISDB--TT,, the Future of Digital Television in the Philippinesthe Future of Digital Television in the Philippines